:root {
  --green: #1a4526;
  --gold: #b89640;
  --bg: #f4f2ec;
  --err: #b3261e;
  --ok: #1a6b34;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: #222;
  line-height: 1.5;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 24px 16px 64px; }
.head { text-align: center; margin-bottom: 24px; }
.head .logo { height: 110px; width: auto; margin: 4px auto 12px; display: block; }
.head h1 { color: var(--green); margin: 0 0 6px; font-size: 1.9rem; }
.sub { color: var(--gold); letter-spacing: 1px; margin: 0; text-transform: uppercase; font-size: .8rem; line-height: 1.5; }

.check a { color: var(--green); font-weight: 600; }

.fielderr { color: var(--err); font-size: .82rem; margin: 4px 0 0; }

fieldset {
  border: 1px solid #ddd6c4;
  border-radius: 10px;
  background: #fff;
  margin: 0 0 20px;
  padding: 18px 18px 6px;
}
legend { color: var(--green); font-weight: 700; padding: 0 8px; }

.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 4px; }
.field small { font-weight: 400; color: #888; }
input, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #c9c3b3;
  border-radius: 7px;
  font-size: 1rem;
  background: #fff;
}
input:focus, select:focus { outline: 2px solid var(--gold); border-color: var(--gold); }
input.invalid { border-color: var(--err); background: #fdf3f2; }

.row { display: flex; gap: 12px; }
.row .field { flex: 1; }
.field.plz { flex: 0 0 110px; }
.field.grow { flex: 1; }

.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 14px;
  font-size: .92rem;
}
.check input { width: auto; margin-top: 3px; flex: 0 0 auto; }

.hint { font-size: .85rem; color: #666; margin: 0 0 14px; }

button {
  width: 100%;
  padding: 14px;
  background: var(--green);
  color: #fff;
  border: 0;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
}
button:hover { background: #143619; }
button:disabled { opacity: .6; cursor: not-allowed; }

.foot { text-align: center; color: #888; font-size: .8rem; }

.alert { padding: 14px 16px; border-radius: 8px; margin-bottom: 20px; }
.alert.ok { background: #e6f4ea; border: 1px solid var(--ok); color: var(--ok); }
.alert.error { background: #fdecea; border: 1px solid var(--err); color: var(--err); }
.alert ul { margin: 8px 0 0; padding-left: 20px; }

.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }

@media (max-width: 480px) {
  .row { flex-direction: column; gap: 0; }
  .field.plz { flex: 1; }
}